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20324045460025 = 52812961818401
BaseRepresentation
bin1001001111100000011111…
…00000101001001000111001
32122221221220200011110112101
410213300033200221020321
510130442121114210100
6111120423152543401
74165235536003246
oct447601740511071
978857820143471
1020324045460025
1165264198a734a
122342b29851b61
13b4571a9677a8
14503990a705cd
15253a1d51586a
hex127c0f829239

20324045460025 has 6 divisors (see below), whose sum is σ = 25201816370462. Its totient is φ = 16259236368000.

The previous prime is 20324045459989. The next prime is 20324045460041. The reversal of 20324045460025 is 52006454042302.

It can be written as a sum of positive squares in 3 ways, for example, as 1153413708841 + 19170631751184 = 1073971^2 + 4378428^2 .

It is not a de Polignac number, because 20324045460025 - 219 = 20324044935737 is a prime.

It is a super-2 number, since 2×203240454600252 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406480909176 + ... + 406480909225.

Almost surely, 220324045460025 is an apocalyptic number.

20324045460025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20324045460025 is a deficient number, since it is larger than the sum of its proper divisors (4877770910437).

20324045460025 is an equidigital number, since it uses as much as digits as its factorization.

20324045460025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812961818411 (or 812961818406 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 20324045460025 in words is "twenty trillion, three hundred twenty-four billion, forty-five million, four hundred sixty thousand, twenty-five".

Divisors: 1 5 25 812961818401 4064809092005 20324045460025